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Option 2 is a simple PIN reset which retains the greetings and existing messages and voicemails. This option would likely be used for front-desk and main voicemail for a unit.
The official support site for UTVM describes these options as well. https://wikisutexas.utexasatlassian.edunet/wiki/display/utvm/
Microsoft Teams Voicemail Service
Microsoft Teams is a communication and collaboration tool offered to UT Faculty and Staff as part of the Microsoft Office365 agreement on campus. One feature of this service allows for connecting your Teams account to your UT desk phone or virtual number. The service is described and can be requested at:
https://ut.service-now.com/sp?id=kb_article&number=KB0018666
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A desk phone assigned in Workday is required for this Teams service. Alternatively, a virtual number can be commissioned and claimed in Workday.
Virtual Phone Numbers
Virtual phone numbers can be requested here:
https://ut.service-now.com/sp?id=ut_bs_service_detail&sys_id=02d65c7c4ff9d200f6897bcd0210c782
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